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Wood Engineering Lab
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A lab that makes use of wood from the perspective of strength, from living trees to timber buildings and wooden bridges.
AboutAbout the lab
Considering the strength of wood, from standing trees to construction sites.
The Wood Engineering Lab studies ways to make effective use of wood, a gift of the forest.
Wood is a renewable, environmentally harmonious material used in timber buildings, civil engineering structures such as bridges, furniture, and musical instruments.
Covering everything from living trees to timber buildings and civil engineering structures, the lab conducts research mainly from the perspective of the strength of materials and structures.
It works on supplying wood of excellent quality, evaluating the performance of wood products and developing technologies for using them, and improving the earthquake resistance of timber buildings.
Key terms
- Timber structure
- A building or structure assembled using wood or wood-based materials for columns, beams, and other members
- Joint
- The part where members, such as a column and a beam, are connected to each other. It greatly affects the strength and deformation of a structure
- Seismic resistance
- The property of a building being resistant to damage or collapse when subjected to earthquake shaking
NewsLab news
Renovation of Tsuru-no-Mai Bridge, a wooden bridge the lab has been involved with for many years, has been completed and the bridge has reopened
Professor Sasaki received the Regional Contribution Award of the Monozukuri Nippon Grand Awards
An undergraduate student received the "Kita no Mokuzai Kagaku Award" (Northern Wood Science Award) at the research meeting of the Hokkaido and Tohoku Branch of the Japan Wood Research Society
ResearchResearch themes
The lab studies a wide range of subjects, from living trees to timber buildings and civil engineering structures, mainly from the perspective of the strength of materials and structures. Its work spans the strength of trees and wood, the performance of joints, and the durability of structures.
*Illustrative imageStrength properties of trees and wood
Through tests of wood strength, the lab examines how strength differs within a species and between species, and what causes these differences.
*Illustrative imageJoints connecting members of buildings and furniture
The strength and deformation of buildings and furniture depend more on the strength and stiffness of the joints than on the members themselves. The lab develops new jointing methods and evaluates the performance of joints.
*Illustrative imagePerformance of joints in timber structures
The lab investigates the performance of joints used in timber buildings and civil engineering structures, and considers the points that require attention for safety.
*Illustrative imageDurability of structures
The lab examines how structural performance changes with deterioration that occurs in timber structures, and with repair or reinforcement applied to them.
MembersFaculty
The members of the Wood Engineering Lab are faculty, technical staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTakanobu Sasaki
- Associate ProfessorKei Sawata
- Assistant ProfessorRyuya Takanashi
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Tsuruno-maihashi” MaedaAkihiko / CC BY-SA 4.0 (cropped)
- Strength properties of trees and wood: “Denjō04” Mass Ave 975 / CC BY-SA 3.0 (cropped)
- Joints connecting members of buildings and furniture: “Woodwork Joint Kanawa-tsugi” ぽん吉 / CC BY 3.0 (cropped)
- Performance of joints in timber structures: “Многослойная клееная деревянная панель Райн Александр Дмитриевич” Райн Александр Дмитриевич / CC BY-SA 4.0 (cropped)
- Durability of structures: “TsurunoMaihashi Turuta Town Aomori Prf IMG 5242” あ
おもりくま,(Aomorikuma) / CC BY-SA 4.0 (cropped) - Related lab (樹木生物学研究室): “20180422basswood19stack ( )” MostlyDross from Springfield, VA, USA / CC BY 2.0 (cropped)
- Related lab (木材化学研究室): “Pile of wood chips Namibia” Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) - Bush Control and Biomass Utilisation Project / CC BY-SA 4.0 (cropped)
- Related lab (地域資源管理分野
（吉田俊也） ): “Mischwald” Saharadesertfox / CC BY-SA 3.0 (cropped) - Related lab (地域資源管理分野
（鈴木智之） ): “Abies sachalinensis, Gora Lopatina, Sakhalin” User:Lupus-sapiens / CC0 (cropped)
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